/*******************************************************************************
 * Copyright (c) 2012 pf_miles.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     pf_miles - initial API and implementation
 ******************************************************************************/
package com.github.pfmiles.dropincc.impl.llstar;

/**
 * Constants used in LL(*) analyzing
 * 
 * @author pf-miles
 * 
 */
public interface Constants {
    /**
     * The epsilon transition of ATN
     */
    Object epsilon = new Object() {
        public String toString() {
            return "ε";
        }
    };

    /**
     * maximun recursion depth when doing 'closure' operation in ATN
     */
    int MAX_REC_DEPTH = 10;

}
